energy consumption comparisons

Fossil fuels and hydroelectric sources are the most readily available and the most widely used sources of energy around the world. In India, most of our population is rural based and uses wood or coal, about 75% of the population uses wood as a domestic fuel. This has led to a large-scal..

. Different particles attain the state of momentary rest at different instants, The particles at the nodes are permanently at rest but other particles attain their position of momentary rest simultaneously. All the particles attain the same maximum velocity when they pass through their mean positio..

Single, double and triple covalent bonds differ from each other in the following ways. Single bond is formed by the sharing of one electron pair, (two electrons); a double bond is formed by the sharing of two electron pairs, (four electrons), whereas a triple bond involves sharing of three electron..

All the halogens have very low dissociation energies. As a result, they can readily dissociate into atoms and react with other substances. As shown below, the dissociation energies of halogens are quite low in comparison to common molecules such as H 2 , O 2 and N 2 ..

Commercial Unit of Electrical Energy - The unit 'watt' is very small. Therefore, in actual practice we use a much larger unit called 'kilowatt'. It is equal to 1000 watts. Since electrical energy is the product of power and time, watt hour (W h) can also be considered as unit of..

Judicious use of Energy - In order to live and enable ourselves to do everyday work we need energy. The prosperity of a country depends upon the availability of energy. Huge amount of electrical energy is used to run the air conditioners, cold storage and oth..

The table shows the US energy consumption. Which of the graphs represents the data in the table? Petroleum (P) Natural Gas (N.G) Nuclear (N) Renewable (R) Coal (C) 40.8 22.3 6.9 7.5 22.6 => Figure 1 and Figure 2 or Figure 1 or Figure 2 or None of the above..

Today most of our energy needs are supplied by the fossil fuels. In one hundred years coal will be the only one left as petroleum products may remain only for 3 to 4 decades. Little of stored energy will be left if we continue to use energy at the same rate. Fossil fue..

Combustion is a chemical reaction in which burning of substances takes place. In this process, a substance combines with oxygen to burn (decompose) itself liberating heat and sometimes light and flame. Thus, combustion reactions are exothermic or heat dissipating reactions. Burning or combust..

Combustion Process - Combustion is a chemical reaction in which burning of substances takes place. In this process, a substance combines with oxygen to burn (decompose) itself liberating heat and sometimes light and flame. Thus, combustion reactions are exothermic or heat dissipating reactions. Bur..